Full of ups and downs; stormy and eventful—used metaphorically to describe a life or series of events with many twists and difficulties.
彼の経歴は波乱万丈で、小さな町工場から大企業の社長になるまで紆余曲折があった。
His career has been full of ups and downs; there were many twists and turns from a small factory to becoming CEO of a large company.
彼女は波乱万丈の青春時代を小説にした。
She turned her stormy, eventful youth into a novel.
開幕戦は波乱万丈の展開で、最後まで結果が読めなかった。
The opening match was full of unexpected twists; the outcome was unpredictable until the end.